Home / 12,424.86-17,146.16-9,252.35

Finding the Fourth Proportional to 12,424.86, 17,146.16 and 9,252.35

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Solution

The fourth proportional to 12,424.86, 17,146.16 and 9,252.35 is: 12,768.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.86 : 17,146.16 = 9,252.35 : x
  2. Step 2: Convert to fraction form
    12,424.86/17,146.16 = 9,252.35/x
  3. Step 3: Cross multiply
    12,424.86x = 17,146.16 × 9,252.35
  4. Step 4: Simplify right side
    12,424.86x = 158,642,210.88
  5. Step 5: Solve for x
    x = 158,642,210.88/12,424.86
  6. Step 6: Final answer
    x = 12,768.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.